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详细说明：
7440安规综合分析仪特点：
交/直流耐压、绝缘阻抗、接地阻抗测试
20×2 点矩阵 LCD 显示器
可选配内建4组或8组高压矩阵式扫描信道（7420, 7430 & 7440）
内建50组程序记忆、每一组8个测试步骤可进行程序记忆步骤的连结测试
测试线路阻抗自我归零校整功能，确保测试结果的准确性
内建PLC Remote遥控界面
键盘锁定功能
可外接标准GPIB/RS232/Print Card界面作控制
全范围电压输出的稳压率在1%以内
| 7440安规综合分析仪MODEL | 7410 | 7420 | 7430 | 7440 |
| AC WITHSTAND VOLTAGE | ||||
| Output Rating | 5KVAC/30mA | 5KVAC/30mA | 5KVAC/40mA | 5KVAC/40mA |
| Range | Resolution | Accuracy | ||
| Output Voltage,ACV | 0 - 5000 | 1 | ±（2% of setting + 5V） | |
| Output Frequency | 50Hz/60Hz ±100ppm, User Selection | |||
| Output Waveform | Sine Wave ,THD.<2% （Resistive Load）, Crest Factor = 1.3 - 1.5 | |||
| Output Regulation | ± （1% of output + 5V）, From no load to full load | |||
| SETTINGS | ||||
| Hi-Limit AC Current, mA | 0-30.00 | 0-30.00 | 0-40.00 | 0-40.00 |
| Resolution : 0.01, Accuracy : ±（2% of setting + 3counts） | ||||
| Lo-Limit AC Current, mA | Range : 0 - 9.999 | |||
| Resolution : 0.001, Accuracy : ±（2% of setting + 3counts） | ||||
| Ramp Time, second | 0.1 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Dwell Time, second | 0, 0.3 - 999.9 （0=continuous） | 0.1 | ||
| Arc Detection | 1 - 9 ranges （9 is the most sensitivity） | |||
| AC Current Offset, mA | 0 - 2.000 or Auto Set | |||
| 7440DC WITHSTAND VOLTAGE | ||||
| Output Rating | 6KVDC/9999µA | |||
| Output Voltage, DCV | 0 - 6000 | 1 | ±（2% of setting + 5V） | |
| Output Ripple | <5%（6KV/9999µA at Resistive Load） | |||
| SETTINGS | ||||
| Hi-Limit DC Current, µA | 0 - 9999 | 1 | ±（2% of setting + 3counts） | |
| Lo-Limit DC Current, µA | 0 - 999.9 | 0.1 | ±（2% of setting + 3counts） | |
| Ramp Time, second | 0.1 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Dwell Time, second | 0, 0.4 - 999.9 （0=continuous） | 0.1 | ||
| Arc Detection | 1 - 9 ranges （9 is the most sensitivity） | |||
| DC Current Offset, ?A | 0 - 200.0 or Auto Set | |||
| Ramp High Current | ON/OFF, User Selection | |||
| Charge - Low Current, µA | 0 - 350.0 or Auto Set | |||
| Discharge Time | ≦ 200 msec | |||
| 7440INSULATION RESISTANCE | ||||
| Output Rating | 1KVDC/9999MΩ | |||
| Output Voltage, DCV | 100 - 1000 | 1 | ±（2% of setting + 3V） | |
| Hi-Limit Resistance, MΩ | 0, 1 - 9999 （0=OFF） | 1 | ±（2% of setting+2counts）at 500-1000VDC, 1 -999.9 MΩ ±（8% of setting+2counts）at 500-1000VDC, 1000 -9999 MΩ ±（8% of setting+2counts）at 100-499VDC, 1 -999.9 MΩ | |
| Lo-Limit Resistance, MΩ | 1 - 9999 | 1 | ||
| Delay Time, second | 0, 0.5 - 999.9 （0=continuous） | 0.1 | ±（0.1% + 0.05sec） | |
| Charge - Low Current, µA | 0 - 3.500 or Auto Set | |||
| 7440GROUND BOND （7440 ONLY） | ||||
| Output Rating | 30A/600mΩ, 8V | |||
| Output AC Current, A | 3.00 - 30.00 | 0.01 | ± （2% of setting +3 counts） | |
| Output AC Voltage, V | 3.00 - 8.00 | 0.01 | ± （2% of setting +3 counts） at Open circuit | |
| Output Frequency | 50Hz/60Hz ±100ppm, User Selection | |||
| SETTINGS | ||||
| Hi-Limit Resistance, mΩ | 0 - 150 （3 - 30A） | 1 | ± （2% of setting +2 counts） | |
| Lo-Limit Resistance, mΩ | 0 - 600 （3 - 10A） | |||
| Lead Resistance Offset, mΩ | 0 -200 | 1 | ± （2% of setting +2 counts） | |
| Dwell Time, second | 0, 0.5 - 999.9 sec （0=continuous） | 0.1 | ±（0.1% + 0.05sec） | |
| 7440MEASUREMENT | ||||
| AC/DC Voltage, KV | 0 - 6.00 | 0.01 | ±（1.5% of reading + 1count） | |
| DC Voltage, V （IR） | 100 - 1000 | 1 | ±（1.5% of reading + 3V） | |
| AC Current Range, mA | 0-3.500 | 0-3.500 | 0-3.500 | 0-3.500 |
| 3.00-30.00 | 3.00-30.00 | 3.00-40.00 | 3.00-40.00 | |
| AC Current Resolution, mA | 0.001/0.01 | |||
| AC Current Accuracy, mA | ± （2% of reading + 3counts） | |||
| DC Current Range, µA | 0-350.0 | 0.1 | ± （2% of reading + 3counts） | |
| 300 - 3500 | 1 | |||
| 3000-9999 | 10 | |||
| AC Current, A （GB） | 0 - 35.00 | 0.01 | ±（2% of reading+3counts） | |
| Resistance, , MΩ（IR） | 1 - 9999 （Auto Range） | 0.001 0.01 0.1 1 | ±（8% of reading+2counts）at 100-499VDC, 1-999.9 MΩ ±（8% of reading+2counts）at 500-1000VDC, 1000 -9999 MΩ ±（2% of reading+2counts）at 500-1000VDC, 1 -999.9 MΩ | |
| Resistance, , mΩ （GB） | 0 - 600 | 1 | ±（2% of reading+2counts） | |
| 7440GENERAL | ||||
| Input Voltage AC | 115/230Vac±15%, 50/60Hz ± 5%, Fuse 5A Slow for 7410/7412 model, 6.3A Slow for 7420/7430/7440 model | |||
| PLC Remote Control | Input : Test , Reset , Memory1.2.3 | |||
| Output : Pass , Fail , Processing | ||||
| Memory | 50 memories, 8 steps/memory | |||
| Display | 20×2 LCD with back light | |||
| Key Lock | To prevent unauthorized alteration of the test Parameters | |||
| Calibration | Build-in software and external calibrated meters | |||
| Alarm Volume Setting | Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume. | |||
| Rear Panel Output | YES | YES | YES | YES |
| Built-in Scanner | - | 8channels | Option | Option |
| External Scanner | YES | YES | YES | YES |
| Smart GFI | YES | YES | YES | YES |
| Analog Meter | - | - | YES | YES |
| RS232 Interface | Option | Option | YES | YES |
| GPIB Interface | Option | Option | Option | Option |
| Printer Interface | Option | Option | Option | Option |
| TUV-GS listed | - | - | YES | YES |
| CE Compliance | - | - | YES | YES |
| Environment | 0-40℃, 20-80%RH | |||
| Dimension （W×H×D） | 430×133×300 （mm） | 430×133×500（ mm） | 430×133×500（mm） | |
| Net Weight | 12Kg | 18Kg | 22Kg | |
| 7440STANDARD ACCESSORIES | ||||
| Power Cord（10A） | ×1 | |||
| Fuses | ×2 （Including a spare contained in the fuse holder） | |||
| Hipot Test Lead ,1.5m（1101） | ×1 | |||
| Return Test Cable（1102） | ×1 | |||
| Hipot Return Lead ,1.8m（1103） | - | - | - | ×1 |
| Ground Bond Return Lead 30A ,1.5m（1104） | - | - | - | ×1 |
| Hipot Output Link Lead ,1.5m（1109） | - | ×8 | - | - |
| RS232 Link Cable 1.5m（1130） | - | - | ×1 | ×1 |
| Disk （ RS232 test program ） | - | - | ×1 | ×1 |
| *product specifications are subject to change without notice. | ||||
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